import numpy as np

#创建数据
nscore = np.array([[80,89,86,67,79],
         [78,97,89,67,81],
         [90,94,78,67,74],
         [91,91,90,67,69],
         [76,87,75,67,86],
         [70,79,84,67,86],
         [94,92,93,67,64],
         [86,85,83,67,80]])
nscore